Haddou Ouchawch
type: MusicGroup
popularity: 2
followers: 89
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8fba873cbdbf333242010359ee2272f8b26529f4877425adb28bc07f3ef99b43
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954500
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9cb2d411-4ff3-436c-9cb7-8f4bc1dcb59d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9cb2d411-4ff3-436c-9cb7-8f4bc1dcb59d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9cb2d411-4ff3-436c-9cb7-8f4bc1dcb59d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T04:47:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8fba873cbdbf333242010359ee2272f8b26529f4877425adb28bc07f3ef99b43","name":"Haddou Ouchawch","registered_at":"2026-06-20T04:11:19Z","symbol":"NIM1508234","token_address":"0x1519dbf64e7acfab5b21db7d4d617191f18f59ae","type":"artist","uuid":"9cb2d411-4ff3-436c-9cb7-8f4bc1dcb59d"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fba873cbdbf333242010359ee2272f8b26529f4877425adb28bc07f3ef99b43. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9cb2d411-4ff3-436c-9cb7-8f4bc1dcb59d.json and https://artists.proofprofile.net/proofs/artist/9cb2d411-4ff3-436c-9cb7-8f4bc1dcb59d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T04:47:29Z
  text: {"copyright_id":"0x8fba873cbdbf333242010359ee2272f8b26529f4877425adb28bc07f3ef99b43","name":"Haddou Ouchawch","registered_at":"2026-06-20T04:11:19Z","symbol":"NIM1508234","token_address":"0x1519dbf64e7acfab5b21db7d4d617191f18f59ae","type":"artist","uuid":"9cb2d411-4ff3-436c-9cb7-8f4bc1dcb59d"}
album: Ajji Adrough
  type: MusicAlbum
  date published: 1993-11-15
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  type: MusicAlbum
  date published: 1996-06-01
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  type: MusicAlbum
  date published: 2021-08-10
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  type: MusicAlbum
  date published: 2023-02-04